"Tiga," an incarnation of Ultraman - a hero long past - finds himself revived in the year 2049 and facing a world ill-equipped to handle the onslaught of gigantic beasts that are peppering the globe. Relying on his martial-arts prowess and his three modes of combat, Tiga goes toe to toe with the most terrifying collection of monstrous giants and alien invaders ever to plague the planet!

In the aftermath of having gotten drunk with Jin-Ho the night before, Hae-Young wakes up to find Jin-Ho in bed with her. Thankfully, neither would ever think of doing something as illicit as sleeping with one's teacher or sleeping with one's student... or would they? While neither can recall the events of the previous night, an over-the-counter pregnancy test shows something may have happened after all!

Once, there was a legendary kingdom called Joseon, an ideal country in which peace and prosperity flourished for years. The heroic warrior Hong Gil-Dong created this Utopian land - and then suddenly disappeared without a trace. But time passed, and a band of ruthless warriors invaded the kingdom, leaving it in utter ruins... Now, Hong Gil-Dong has returned, determined to raise his village from the ashes. But evil forces lurk in the shadows.

Commander Yahwan has finally hunted down Gildong, and as the fight starts, Gildong realizes his inner force has diminished. Only a miracle will stop him from falling to the hands of Yahwan. Gildong will have to rely on outside forces in order to survive this battle.

Gwibiyeonhwa is pummeling Gil-Dong into nothing. Danu is the only one strong enough to rescue Gil-Dong. His attempts come at a very high price: death. Gil Dong must survive this battle and make it to Yeonhwagyeong with Sanghui. The battle with Gwibiyeonhwa is easy compared to what waits for him on his journey...

Gil-Dong finally learns the identity of the mysterious fighter, who reveals why Gwanghonhyeolma is after Sanghui. What is the true reason, and what will happen if Gwanghonhyeolma finds Sanghui? Gil-Dong learns more information about Gwanghonhyeolma and goes with Sanghui to Haeyeong. Many entities are looking for Gil-Dong - who are they, and why are they all seeking him?

Upon arriving at Yachado, Gil-Dong learns that Hyeonwol's Cheonyacha tribe has lost the war against the Jiyachas, and that the chief of the Cheonyacha tribe is being held in the dungeon of Jiyacha castle. Gil-Dong decides to rescue him so he can learn more about the fate of Hyeonwol. Can he successfully infiltrate the castle, and if so, is he ready for Gyeokseong, the Jiyacha's leader?